System information

8
LED Indicators
Accompanying the Copper/SFP combo ports, four LED indicators are located on the rear
panel beside each combo port. The LEDs indicate the status of Link/Activity,
Full-Duplex/Collision, and transmission speed for the respective ports. The table below
gives definition for each LED indicator.
LED Status Description
Green The port is connecting with the device.
Blinks The port is receiving or transmitting data.
LK/ACT
Off No device attached.
Yellow The port is operating in Full-duplex mode.
Blinks Collision of Packets occurs in the port.
FD/COL
Off In half-duplex mode
1000
Green The port is operating at the speed of 1000Mbps
100
Green
The port is operating at the speed of 100Mbps
(for RJ-45 port only)
The Description of LED Indicators